i want to know the meaning of gastrointestinal system How does it work?
The gastrointestinal system is the part of the digestive system that is responsible for digesting food. It includes the mouth, esophagus, stomach, small intestine, large intestine, and rectum. The main function of the gastrointestinal system is to break down digested food into nutrients that the body can use. The gastrointestinal system is also responsible for absorbing these nutrients and transporting them to the rest of the body.